Home / 57,157.52-85,732.96-17,175.64

Finding the Fourth Proportional to 57,157.52, 85,732.96 and 17,175.64

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Solution

The fourth proportional to 57,157.52, 85,732.96 and 17,175.64 is: 25,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,157.52 : 85,732.96 = 17,175.64 : x
  2. Step 2: Convert to fraction form
    57,157.52/85,732.96 = 17,175.64/x
  3. Step 3: Cross multiply
    57,157.52x = 85,732.96 × 17,175.64
  4. Step 4: Simplify right side
    57,157.52x = 1,472,518,457.09
  5. Step 5: Solve for x
    x = 1,472,518,457.09/57,157.52
  6. Step 6: Final answer
    x = 25,762.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.